Basement And Ground Floor Ashley House 12 Great Portland Street London W1W 8QN

1. 17 Jan 2025

   Received by Westminster

2. 14 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 14 March 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Westminster took a median of 91 days over the applications it decided in the last year.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 119 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Ashley House 12 Great Portland Street London W1W 8QN

  03/05116/FULL Submitted 30 Jun 2003 50 yards away

  Use of the ground floor for mixed retail (Class A1) and wholesale showroom purposes

  Granted Full applications 8 docs

• Ashley House 12 Great Portland Street London W1W 8QN

  08/02160/ADV Submitted 5 Mar 2008 50 yards away

  Display of an externally illuminated projecting sign.

  Granted Advertising 7 docs

• Ashley House 12 Great Portland Street London W1W 8QN

  04/04290/ADV Submitted 4 Jun 2004 50 yards away

  Display of non-illuminated fascia and two non-illuminated projecting signs.

  Decided Advertising 5 docs

• Ashley House 12 Great Portland Street London W1W 8QN

  03/08498/AD7 Submitted 4 Nov 2003 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board located on the face of the building at a height of between 3m and 4.6m above pavement level and measuring 1.2m x 0.9m.

  Granted Advertising 2 docs

• 14 - 16 Great Portland Street London W1W 8QW

  26/07468/CLOPUD Submitted 3 Nov 2026 50 yards away

  84% historically approved · decision due ~29 Dec

  Confirmation the demolition of the existing outrigger structure at fifth floor level (the Proposed Works) constitutes the lawful commencement of development pursuant to the Permission.

  Awaiting decision Lawful development Extension Demolition

• Basement To First Floor 11 - 13 Market Place London W1W 8AH

  26/08979/TCH Submitted 10 Dec 2025 50 yards away

  Use of the public highway for the placing of 21 tables, 92 chairs, 6 planters, 2 parasol/heaters in an area measuring 9m x 12m in connection with the existing ground floor use.

  Granted 13 docs

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 26/07508/FULL Awaiting decision

  Buckingham Palace The Mall London SW1A 1AA

  Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications